Forged piston kit set of four engineered for strength, heat transfer and uniform load distribution under thermal expansion. Designed with an elliptical skirt profile and supplied with rings, pins and circlips for a complete installation.

Features

• Forged pistons engineered for strength and durability


• Optimised heat transfer from crown to cylinder walls


• Elliptical design provides a uniform bearing surface under expansion


• Distributes thrust loads evenly to help prevent piston collapse


• Made in Germany

Specifications

• Kit type: Set of 4 pistons


• Piston model: Wössner K8800D200-4 (listed as 78 mm set of four)


• Bore size (stated): 74.00 mm


• Measured piston diameter (stated): 73.94 mm


• Display displacement: 1109 cm³


• Stroke (engine reference): 58.00 mm


• Recommended clearance: 0.06 mm


• Wössner compression ratio: 11.80:1


• OEM compression ratio (reference): 10.10:1


• Dome volume: −3.90 cm³


• Compression height: 24.40 mm


• Circlips: CW18


• Wrist pins: WP099


• Ring set: 780XDS

Vehicle Fitments

• Kawasaki ZX-11 C1 1990–1994


• Kawasaki ZX-11 D1 1993–2001


• Kawasaki ZZR1100 1990–2001


• Kawasaki ZRX1100 1995–1997


• Kawasaki GPZ1100 1995–1997